Average annual temperature is 12.2 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 173 days
Number of rainy days: 184 days
Number of snow days: 8 days
Look at detailed online map of Hecla
* Weather data for Hecla United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.1 | 18.8 | 17.6 | 30.4 | 30.8 | 34.3 | 33.2 | 30.8 | 33.3 | 27.6 | 20.3 | 16.0 |
| Average daytime temperature (°C) | 7.4 | 8.7 | 10.1 | 18.8 | 22.4 | 25.5 | 29.3 | 27.1 | 23.9 | 18.9 | 10.5 | 7.9 |
| Average temperature (°C) | 3.7 | 3.1 | 4.3 | 12.2 | 15.3 | 19.5 | 23.7 | 21.8 | 18.8 | 13.6 | 5.3 | 4.1 |
| Average night temperature (°C) | 0.6 | -1.2 | -0.3 | 6.6 | 8.6 | 14.3 | 19.0 | 17.4 | 14.8 | 9.3 | 1.3 | 0.9 |
| Absolute minimum temperature (°C) | -4.9 | -13.5 | -6.0 | -1.5 | 2.3 | 9.0 | 14.9 | 13.5 | 9.8 | 2.6 | -5.3 | -4.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.6 | 6.7 | 7.3 | 8.8 | 11.7 | 11.0 | 11.9 | 10.3 | 8.3 | 8.2 | 7.5 | 4.2 |
| Precipitation (mm) | 104 | 42 | 87 | 118 | 27 | 114 | 106 | 91 | 119 | 65 | 70 | 162 |
| Sunny days | 12 | 15 | 10 | 15 | 19 | 12 | 9 | 14 | 14 | 17 | 21 | 15 |
| Rainy days | 17 | 11 | 20 | 15 | 12 | 18 | 22 | 17 | 16 | 14 | 8 | 14 |
| Snow days | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Hecla during the most sunny months:
The largest precipitation sum in Hecla is at